some fixes to make the gallery work, this made it necessary to adjust some tests and the encryption code

no exception for the root of the mount point (formerly Shared/), just get the file cache information from the cache

- mount shares to the root folder instead of "Shared/"
- navigate in shared folder and sub-folders
- show previews
- show correct file permissions
- download/edit files

Add option to getUsersSharingFile() to get the paths for the shared users

Cache user

LDAP: fix random resets of filter 

Clean up js.js along suggestions from scrutinizer-ci, fixes #8204.

Make lib/** share.php strings extractable for translation

add uncompressed jquery files - fixes #8294

Add new jquery files to exclude list